diff --git a/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/Instruction.java b/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/Instruction.java
index 9a032ee..c36c88d 100644
--- a/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/Instruction.java
+++ b/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/Instruction.java
@@ -132,7 +132,7 @@ public Instruction(long address, String description) {
             String insn = matcher.group(4);
             String disas = matcher.group(5);
 
-            if (phys == null || phys == "")
+            if (phys == null || phys.isEmpty() || phys == "")
                 phys = virt;
 
             symbol = (sym != null) ? sym : "";
diff --git a/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/services/InspectionService.java b/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/services/InspectionService.java
index 54b8c24..1545608 100644
--- a/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/services/InspectionService.java
+++ b/bundles/org.vcml.explorer.ui/src/org/vcml/explorer/ui/services/InspectionService.java
@@ -52,6 +52,8 @@ public InspectionService() { // find a better way to do this
         registerModulePart(Module.KIND_VCML_TERMINAL, "org.vcml.explorer.ui.parts.UartPart");
         registerModulePart(Module.KIND_VCML_PROCESSOR, "org.vcml.explorer.ui.parts.ProcessorPart");
         registerModulePart(Module.KIND_SIMV_HART, "org.vcml.explorer.ui.parts.ProcessorPart");
+        registerModulePart(Module.KIND_SIMA_CORE, "org.vcml.explorer.ui.parts.ProcessorPart");
+        registerModulePart(Module.KIND_USIMA_CORE, "org.vcml.explorer.ui.parts.ProcessorPart");
     }
 
 }
diff --git a/bundles/org.vcml.session/src/org/vcml/session/Module.java b/bundles/org.vcml.session/src/org/vcml/session/Module.java
index 0b02031..bd2c71c 100644
--- a/bundles/org.vcml.session/src/org/vcml/session/Module.java
+++ b/bundles/org.vcml.session/src/org/vcml/session/Module.java
@@ -54,6 +54,8 @@ public class Module {
     public static final String KIND_VCML_TERMINAL = "vcml::serial::terminal";
 
     public static final String KIND_SIMV_HART = "simv::hart";
+    public static final String KIND_SIMA_CORE = "sima::core";
+    public static final String KIND_USIMA_CORE = "usima::core";
 
     public static final String VERSION_UNKNOWN = "unknown";